Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash	$ 33,364	$ 16,387
Prepaid expenses	168	197
Total current assets	33,532	16,584
Right-of-use assets and other		105
Property and equipment, net	2	110
Total assets	33,534	16,799
Current liabilities:
Accounts payable	708	830
Accrued liabilities	280	1,301
Warrant liability, short-term	10,796
Lease liability, short-term		26
Total current liabilities	11,784	2,157
Lease liability, long-term		45
Total liabilities	11,784	2,202
Commitments and contingencies (Note 5)
Stockholders' equity
Preferred stock, $0.001 par value per share; 10,000,000 shares authorized as of December 31, 2022 and December 31, 2021; no shares issued or outstanding as of December 31, 2022 and December 31, 2021.
Common stock, $0.001 par value per share, 100,000,000 shares authorized as of December 31, 2022 and December 31, 2021; 25,436,019 and 888,693 shares issued and outstanding as of December 31, 2022 and December 31, 2021, respectively.	25	1
Additional paid-in capital	117,520	96,420
Accumulated other comprehensive income		4
Accumulated deficit	(95,795)	(81,828)
Total stockholders' equity	21,750	14,597
Total liabilities and stockholders' equity	$ 33,534	$ 16,799